Add water to unpeeled potatoes just to cover.,Sprinkle with salt.,Bring to boiling for 30 to 35 minutes.,Drain.,Peel and shred potatoes with a grater.,In a large mixing bowl combine potatoes, cheese and butter; stir until butter is melted.,Stir in sour cream, green onion, salt and the pepper.,Transfer to a greased pan.,Bake, uncovered, in a 325° oven for 45 minutes. Sprinkle with paprika.,______